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发明名称
BAGGERZAHN UND VERRIEGELUNG.
摘要
申请公布号
DE3670113(D1)
申请公布日期
1990.05.10
申请号
DE19863670113
申请日期
1986.10.24
申请人
ESCO CORP., PORTLAND, OREG., US
发明人
HAHN, FREDERICK C., ALOHA OREGON 97007, US
分类号
E02F9/28;(IPC1-7):E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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